3 ms·

Also blood.

• shagie 1y ago
  Side bit from some recent news about dried blood and its crackle pattern... https://phys.org/news/2025-04-blood-droplets-inclined-surfaces-reveal.html https://phys.org/news/2025-04-blood-droplets-inclined-surfac... (saw it https://news.ycombinator.com/item?id=43852446 https://news.ycombinator.com/item?id=43852446 though it didn't get too much attention)
• IAmBroom 1y ago
  Also all particulates. It isn't about the chemistry of the suspended/dissolved solids.